Physiological Predictors of Weight Regain at 1-Year Follow-Up in Weight-Reduced Adults with Obesity

Siren Nymo; Silvia R Coutinho; Jens F Rehfeld; Helen Truby; Bård Kulseng; Catia Martins

doi:10.1002/oby.22476

Physiological Predictors of Weight Regain at 1-Year Follow-Up in Weight-Reduced Adults with Obesity

Siren Nymo, Silvia R Coutinho, Jens F Rehfeld, Helen Truby, Bård Kulseng, Catia Martins

Department of Clinical Medicine

8 Citations (Scopus)

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Abstract

Objective: This study aimed to assess whether changes in resting metabolic rate (RMR), exercise-induced energy expenditure (EIEE), and appetite following weight loss (WL) are associated with weight regain at 1 year. Methods: Thirty-six adults with obesity underwent 8 weeks of a very-low-energy diet, followed by 4 weeks of refeeding and a 1-year maintenance program. RMR, EIEE, appetite ratings, and active ghrelin, peptide YY, glucagon-like peptide-1, cholecystokinin, and insulin concentrations were measured at baseline, week 13, and 1 year. Results: A 17% WL (−20 ± 5 kg [mean ± SD]; range: −11.7 to −32.2 kg; P < 0.001) was achieved at week 13. After 1 year, weight regain was 2.5 ± 9.0 kg (not significant), ranging from −18.2 to 22.5 kg. Both fat mass and fat-free mass were reduced at week 13 (−17.9 ± 4.8 and −2.9 ± 2.7 kg, respectively; P < 0.001), while only loss of fat mass was sustained at 1 year. WL was associated with reduced RMR, EIEE, and fasting/postprandial insulin (all P < 0.001), as well as increased fasting hunger (P < 0.01) and fasting/postprandial active ghrelin (P < 0.001). There were no significant correlations between changes in RMR, EIEE, or appetite with WL and weight regain at 1 year. Conclusions: No clear evidence emerged that changes in RMR, EIEE, or appetite following WL can predict weight regain at 1 year, but larger studies are needed to confirm these results.

Original language	English
Journal	Obesity
Volume	27
Issue number	6
Pages (from-to)	925-931
ISSN	1930-7381
DOIs	https://doi.org/10.1002/oby.22476
Publication status	Published - Jun 2019

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title = "Physiological Predictors of Weight Regain at 1-Year Follow-Up in Weight-Reduced Adults with Obesity",

abstract = "Objective: This study aimed to assess whether changes in resting metabolic rate (RMR), exercise-induced energy expenditure (EIEE), and appetite following weight loss (WL) are associated with weight regain at 1 year. Methods: Thirty-six adults with obesity underwent 8 weeks of a very-low-energy diet, followed by 4 weeks of refeeding and a 1-year maintenance program. RMR, EIEE, appetite ratings, and active ghrelin, peptide YY, glucagon-like peptide-1, cholecystokinin, and insulin concentrations were measured at baseline, week 13, and 1 year. Results: A 17% WL (−20 ± 5 kg [mean ± SD]; range: −11.7 to −32.2 kg; P < 0.001) was achieved at week 13. After 1 year, weight regain was 2.5 ± 9.0 kg (not significant), ranging from −18.2 to 22.5 kg. Both fat mass and fat-free mass were reduced at week 13 (−17.9 ± 4.8 and −2.9 ± 2.7 kg, respectively; P < 0.001), while only loss of fat mass was sustained at 1 year. WL was associated with reduced RMR, EIEE, and fasting/postprandial insulin (all P < 0.001), as well as increased fasting hunger (P < 0.01) and fasting/postprandial active ghrelin (P < 0.001). There were no significant correlations between changes in RMR, EIEE, or appetite with WL and weight regain at 1 year. Conclusions: No clear evidence emerged that changes in RMR, EIEE, or appetite following WL can predict weight regain at 1 year, but larger studies are needed to confirm these results.",

author = "Siren Nymo and Coutinho, {Silvia R} and Rehfeld, {Jens F} and Helen Truby and B{\aa}rd Kulseng and Catia Martins",

note = "{\textcopyright} 2019 The Authors. Obesity published by Wiley Periodicals, Inc. on behalf of The Obesity Society (TOS).",

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language = "English",

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T1 - Physiological Predictors of Weight Regain at 1-Year Follow-Up in Weight-Reduced Adults with Obesity

AU - Nymo, Siren

AU - Coutinho, Silvia R

AU - Rehfeld, Jens F

AU - Truby, Helen

AU - Kulseng, Bård

AU - Martins, Catia

PY - 2019/6

Y1 - 2019/6

N2 - Objective: This study aimed to assess whether changes in resting metabolic rate (RMR), exercise-induced energy expenditure (EIEE), and appetite following weight loss (WL) are associated with weight regain at 1 year. Methods: Thirty-six adults with obesity underwent 8 weeks of a very-low-energy diet, followed by 4 weeks of refeeding and a 1-year maintenance program. RMR, EIEE, appetite ratings, and active ghrelin, peptide YY, glucagon-like peptide-1, cholecystokinin, and insulin concentrations were measured at baseline, week 13, and 1 year. Results: A 17% WL (−20 ± 5 kg [mean ± SD]; range: −11.7 to −32.2 kg; P < 0.001) was achieved at week 13. After 1 year, weight regain was 2.5 ± 9.0 kg (not significant), ranging from −18.2 to 22.5 kg. Both fat mass and fat-free mass were reduced at week 13 (−17.9 ± 4.8 and −2.9 ± 2.7 kg, respectively; P < 0.001), while only loss of fat mass was sustained at 1 year. WL was associated with reduced RMR, EIEE, and fasting/postprandial insulin (all P < 0.001), as well as increased fasting hunger (P < 0.01) and fasting/postprandial active ghrelin (P < 0.001). There were no significant correlations between changes in RMR, EIEE, or appetite with WL and weight regain at 1 year. Conclusions: No clear evidence emerged that changes in RMR, EIEE, or appetite following WL can predict weight regain at 1 year, but larger studies are needed to confirm these results.

AB - Objective: This study aimed to assess whether changes in resting metabolic rate (RMR), exercise-induced energy expenditure (EIEE), and appetite following weight loss (WL) are associated with weight regain at 1 year. Methods: Thirty-six adults with obesity underwent 8 weeks of a very-low-energy diet, followed by 4 weeks of refeeding and a 1-year maintenance program. RMR, EIEE, appetite ratings, and active ghrelin, peptide YY, glucagon-like peptide-1, cholecystokinin, and insulin concentrations were measured at baseline, week 13, and 1 year. Results: A 17% WL (−20 ± 5 kg [mean ± SD]; range: −11.7 to −32.2 kg; P < 0.001) was achieved at week 13. After 1 year, weight regain was 2.5 ± 9.0 kg (not significant), ranging from −18.2 to 22.5 kg. Both fat mass and fat-free mass were reduced at week 13 (−17.9 ± 4.8 and −2.9 ± 2.7 kg, respectively; P < 0.001), while only loss of fat mass was sustained at 1 year. WL was associated with reduced RMR, EIEE, and fasting/postprandial insulin (all P < 0.001), as well as increased fasting hunger (P < 0.01) and fasting/postprandial active ghrelin (P < 0.001). There were no significant correlations between changes in RMR, EIEE, or appetite with WL and weight regain at 1 year. Conclusions: No clear evidence emerged that changes in RMR, EIEE, or appetite following WL can predict weight regain at 1 year, but larger studies are needed to confirm these results.

U2 - 10.1002/oby.22476

DO - 10.1002/oby.22476

M3 - Journal article

C2 - 31004405

SN - 1930-7381

VL - 27

SP - 925

EP - 931

JO - Obesity

JF - Obesity

IS - 6

ER -

Physiological Predictors of Weight Regain at 1-Year Follow-Up in Weight-Reduced Adults with Obesity

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